. >> the reflex, fran townsend, could it be al qaeda, there are a number of reasons, also troops in afghanistan, have worked with the united states on some things overseas. when we see the bomb, we don't know much about it yet, but maybe you know more from your sources. when you see the devastation, it's not a small bomb, because damage is high up, and the police say undetonated explosives were found on the island where the horrific shooting happens with the children at the labor camp. when you see that, the sophistication, the power of the bomb, what does it tell you? >> it suggests this more than the work of a single individual. remember we saw the times square bomber. one guy trying to accumulate the materials and detonate it at the time of his choosing, it's hard to do. it suggests there's more than a single individual. the other thing is there was a norwegian journalist media report suggesting that the guy, the individual they have in custody, was a farmer who might have had access to the sort of fertilizer that was anothused te the oklahoma city bomb. as we learn more facts, we'll underst